KVM: ppc: distinguish between interrupts and priorities

Although BOOKE_MAX_INTERRUPT has the right value, the meaning is not match.
Signed-off-by: NLiu Yu <yu.liu@freescale.com>
Signed-off-by: NHollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: NAvi Kivity <avi@redhat.com>

arch/powerpc/kvm/booke.c

@@ -163,7 +163,7 @@ void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
 	unsigned int priority;
 
 	priority = __ffs(*pending);
-	while (priority <= BOOKE_MAX_INTERRUPT) {
+	while (priority <= BOOKE_IRQPRIO_MAX) {
 		if (kvmppc_booke_irqprio_deliver(vcpu, priority))
 			break;
 

arch/powerpc/kvm/booke.h

@@ -42,6 +42,7 @@
 #define BOOKE_IRQPRIO_EXTERNAL 13
 #define BOOKE_IRQPRIO_FIT 14
 #define BOOKE_IRQPRIO_DECREMENTER 15
+#define BOOKE_IRQPRIO_MAX 15
 
 /* Helper function for "full" MSR writes. No need to call this if only EE is
  * changing. */